Update dependency Projektanker.Icons.Avalonia.MaterialDesign to 9.4.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Projektanker.Icons.Avalonia.MaterialDesign	9.4.0 -> 9.4.1

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Release Notes

Projektanker/Icons.Avalonia (Projektanker.Icons.Avalonia.MaterialDesign)

v9.4.1

🐛 Bug Fixes

• Make IsExternalInit internal (fixes #​147) (9284637)

📦️ Build System, Dependencies

• deps: bump FluentAssertions from 6.12.0 to 6.12.1 in /src (#​154) (486e41f)
• deps: bump Microsoft.NET.Test.Sdk from 17.9.0 to 17.11.1 in /src (#​152) (4025a98)
• deps: bump peter-evans/create-pull-request from 6 to 7 (#​148) (458a979)
• deps: bump System.Text.Json from 8.0.3 to 8.0.4 in /src (#​153) (0f0abd3)
• deps: bump the avalonia group in /src with 6 updates (#​150) (4bdcfa8)
• deps: bump the xunit group in /src with 2 updates (#​151) (22d7985)
• Fix dependabot (d8292c1)

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